A. J.  Jimeno-Yepes, Plaza, L., Mork, J. G., Aronson, A., and Díaz, A., ?MeSH indexing based on automatically generated summaries?, BMC bioinformatics, vol. 14, 2013.

E.  Lloret, Plaza, L., and Aker, A., ?Analyzing the Capabilities of Crowdsourcing Services for Text Summarization?, Language Resources and Evaluation (LRE). In press, 2012.

A.  Aker, Plaza, L., and Lloret, E., ?Do humans have conceptual models about Geographic Objects? A user study?, Journal of the American Society for Information Science and Technology (JASIST). In press, 2012.

J.  Carrillo de Albornoz and Plaza, L., ?An Emotion-based Model of Negation, Intensifiers, and Modality for Polarity and Intensity Classification?, Journal of the American Society for Information Science and Technology (JASIST). In press, 2012.

A.  Aker, Plaza, L., Lloret, E., and Gaizauskas, R., ?Multi-document Summarization Techniques for Generating Image Descriptions: A Comparative Analysis?, in Multi-source, Multilingual Information Extraction and Summarization (Theory and Applications of Natural Language Processing), Springer, 2012.

L.  Plaza, Stevenson, M., and Díaz, A., ?Resolving Ambiguity in Biomedical Text to Improve Summarization?, Information Processing & Management, vol. 48(4), 2012.

J.  Carrillo de Albornoz, Plaza, L., and Gervás, P., ?SentiSense: An easily scalable concept-based affective lexicon for Sentiment Analysis?, in The 8th International Conference on Language Resources and Evaluation (LREC 2012), 2012.

A.  Díaz, Ballesteros, M., Carrillo de Albornoz, J., and Plaza, L., ?UCM at TREC-2012: Does negation influence the retrieval of medical reports??, in The Twenty-First Text REtrieval Conference, Gaithersburg, Maryland, Estados Unidos, 2012.

M.  Ballesteros, Díaz, A., Francisco, V., Gervás, P., Carrillo de Albornoz, J., and Plaza, L., ?UCM-2: a Rule-Based Approach to Infer the Scope of Negation via Dependency Parsing?, in *SEM Shared Task 2012. Resolving the Scope and Focus of Negation, Montreal, Canada, 2012.

J.  Carrillo de Albornoz, Plaza, L., Díaz, A., and Ballesteros, M., ?UCM-I: A Rule-based Syntactic Approach for Resolving the Scope of Negation?, in *SEM Shared Task 2012. Resolving the Scope and Focus of Negation, 2012.

A.  Díaz, Plaza, L., Francisco, V., Gervás, P., Mota, E., and Romero, A., ?AutoIndexer: Investigación y Desarrollo de Metodologías y Recursos Terminológicos de Apoyo para los Procesos de Indexación Automática de Documentos Clínicos?, in XXVII Congreso de la Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN 2011), 2011.

J.  Carrillo de Albornoz, Plaza, L., Gervás, P., and Díaz, A., ?A Joint Model of Feature Mining and Sentiment Analysis for Product Review Rating?, in Proceedings of the 33rd European Conference on Information Retrieval (ECIR 2011), 2011.

E.  Lloret, Plaza, L., and Aker, A., ?Multi-Document Summarization by Capturing the Information Users are Interested in?, in Recent Advances in Natural Language Processing (RANLP 2011), 2011.

L.  Plaza, Díaz, A., and Gervás, P., ?A semantic graph-based approach to biomedical summarisation?, Artificial Intelligence in Medicine, vol. 53, 2011.

L.  Plaza and Carrillo de Albornoz, J., ?Sentiment Analysis in Business Intelligence: A survey?, in Customer Relationship Management and the Social and Semantic Web: Enabling Cliens Conexus, IGI?Global, 2011, pp. 231-252.

L.  Plaza, Jimeno, A., Díaz, A., and Aronson, A., ?Studying the correlation between different word sense disambiguation methods and summarization effectiveness in biomedical texts?, BMC Bioinformatics, vol. 12, 2011.

L.  Plaza, ?The Use of Semantic Graphs in Automatic Summarization: Comparative Case Studies in Biomedicine, Journalism and Tourism (Spanish and English versions)?, 2011.

L.  Plaza and Díaz, A., ?Using Semantic Graphs and Word Sense Disambiguation Techniques to Improve Text Summarization?, in XXVII Congreso de la Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN 2011), 2011.

L.  Plaza, Díaz, A., and Gervás, P., ?Automatic Summarization of News Using WordNet Concept Graphs?, IADIS International Journal on Computer Science and Information System, vol. V, pp. 45-57, 2010.

A.  Díaz, Gervás, P., García, A., and Plaza, L., ?Development and Use of an Evaluation Collection for Personalisation of Digital Newspapers?, Proceedings of the Seventh conference on International Language Resources and Evaluation (LREC'10). Valetta, Malta, pp. 3084-3091, 2010.

J.  Carrillo de Albornoz, Plaza, L., and Gervás, P., ?A Hybrid Approach to Emotional Sentence Polarity and Intensity Classification?, Proceedings of the Fourteenth Conference on Computational Natural Language Learning (CoNLL 2010). Association for Computational Linguistics, p. 153--161, 2010.

L.  Plaza, Lloret, E., and Aker, A., ?Improving Automatic Image Captioning Using Text Summarization Techniques?, 13th International Conference on Text, Speech and Dialogue (TSD). pp. 165-172, 2010.

J.  Carrillo de Albornoz, Plaza, L., and Gervás, P., ?Improving Emotional Intensity Classification using Word Sense Disambiguation?, Special issue: Natural Language Processing and its Applications. Journal on Research in Computing Science, vol. 46, 2010.

L.  Plaza, Stevenson, M., and Díaz, A., ?Improving Summarization of Biomedical Documents using Word Sense Disambiguation?, Proceedings of the 2010 Workshop on Biomedical Natural Language Processing, ACL 2010. Uppsala, Sweden, 2010.

L.  Plaza and Díaz, A., ?Retrieval of Similar Electronic Health Records Using UMLS Concept Graphs?, in Natural Language Processing and Information Systems, 15th International Conference on Applications of Natural Language to Information Systems, NLDB 2010. Lecture Notes in Computer Science 6177, Cardiff, UK, 2010.

L.  Plaza, Carrillo de Albornoz, J., and Prados, J. C., ?Sistemas de Acceso Inteligente a la Información Biomédica: una Revisión?, Revista Internacional de Ciencias Podológicas, vol. 4, 2010.

L.  Plaza, Díaz, A., and Gervás, P., ?Automatic summarization of news using wordnet concept graphs. Best Paper Award?, IADIS International Conference Informatics 2009. Algarbe, Portugal, 2009.

J.  DeMiguel, Plaza, L., and Díaz-Agudo, B., ?ColibriCook: A CBR System for Ontology-Based Recipe Retrieval and Adaptation?, 2008.

L.  Plaza, Díaz, A., and Gervás, P., ?Concept-graph based Biomedical Automatic Summarization using Ontologies?, TextGraphs-3: Graph-based Algorithms for Natural Language Processing. Coling 2008. 2008.

L.  Plaza, Díaz, A., and Gervás, P., ?Uso de Grafos de Conceptos para la Generación Automática de Resúmenes en Biomedicina?, Procesamiento del Lenguaje Natural, vol. 41, pp. 191-198, 2008.